On 4/6/20 7:31 AM, Brian Foster wrote:
On Fri, Apr 03, 2020 at 03:12:11PM -0700, Allison Collins wrote:
Delayed operations cannot return error codes. So we must check for
these conditions first before starting set or remove operations
Signed-off-by: Allison Collins <allison.henderson@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fs/xfs/libxfs/xfs_attr.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index 2a0d3d3..f7e289e 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -404,6 +404,17 @@ xfs_attr_set(
args->total, 0, quota_flags);
if (error)
goto out_trans_cancel;
+
+ error = xfs_has_attr(args);
+ if (error == -EEXIST && (args->attr_flags & XATTR_CREATE))
+ goto out_trans_cancel;
+
+ if (error == -ENOATTR && (args->attr_flags & XATTR_REPLACE))
+ goto out_trans_cancel;
+
+ if (error != -ENOATTR && error != -EEXIST)
+ goto out_trans_cancel;
I'd kill off the whitespace between the above error checks. Otherwise
looks good to me:
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Alrighty, will do. Thanks!
Allison
+
error = xfs_attr_set_args(args);
if (error)
goto out_trans_cancel;
@@ -411,6 +422,10 @@ xfs_attr_set(
if (!args->trans)
goto out_unlock;
} else {
+ error = xfs_has_attr(args);
+ if (error != -EEXIST)
+ goto out_trans_cancel;
+
error = xfs_attr_remove_args(args);
if (error)
goto out_trans_cancel;
--
2.7.4